* Sun Nov 17 2024 <jpp@koozali.org> 1.0-2.sme

- listen only via sockets
- use both unix user and virtual users
- groups and pseudonyms implemented in virtual maps
- support smarthost with and without auth
- support global and per domain delegated mail server
- support ssl
- uses qmail - recipient delimiter in left part of email.
- all domains set as local domains in mydestination
- message_size_limit
- local and remote concurency limit

.gitignore

@@ -1,3 +1,4 @@
 *.rpm
+*.tar.gz
 *.log
 *spec-20*

README.md

@@ -21,26 +21,95 @@ Koozali SME Server wrapper to configure postfix
 
 ## Development and testing
 ```
- mkdir /etc/e-smith/templates-custom/var/service/qpsmtpd/config/plugins/
+ mkdir -p /etc/e-smith/templates-custom/var/service/{qpsmtpd,sqpsmtpd,uqpsmtpd}/config/peers/{0,local}/90queue-qmail-queue 
- echo 'return "queue/postfix-queue";' > /etc/e-smith/templates-custom/var/service/qpsmtpd/config/plugins/90queue-qmail-queue
+ echo 'return "queue/postfix-queue";' > /etc/e-smith/templates-custom/var/service/{qpsmtpd,sqpsmtpd,uqpsmtpd}/config/peers/{0,local}/90queue-qmail-queue
  config setprop qmail status disabled
  systemctl stop qmail
  signal-event email-update
  dnf install smerserver-postfix
 ```
 
+
 then test
 ```
  echo "This email confirms that Postfix is working" | mail -s "Testing Posfix" emailuser@example.com
 ```
-or using roundcube
+or using roundcube/ mail client
+
+
+to remove
+```
+ rm -rf /etc/e-smith/templates-custom/var/service/{qpsmtpd,sqpsmtpd,uqpsmtpd}/config/peers/{0,local}/
+ config setprop qmail status enabled
+ systemctl start qmail
+ signal-event email-update
+ dnf remove smerserver-postfix
+```
+
+
+DONE
+* main domain
+* listen only socket
+* virtual alias for system, pseudonyms, groups, shared
 
 TODO
-* remote SMTP
+* regression: forward email support via .qmail or .forward
-* smart SMTP
+* regression: spam filtering to .junk
-* SSL
+* regression: .qmail support or alternative via .forward
-* logging
+* regression: maildrop/procmail support directly or via .forward or via .qmail support
-* .qmail support or alternative
+* regression: EmailUnknownUser support ( we can not use luser_relay as we use virtual_alias (this might need to add all unix accoutns in this virtual map and also all needed content of /etc/aliases when not returntosender)
-* maildrop/procmail support ?
 * switch smeserver-qpsmtpd support to postfix
 * check /usr/sbin/sendmail -> /etc/alternatives/mta -> /usr/sbin/sendmail.postfix upon removal/update of qmail
+* .foward support
+* remove from smeserver-mail /usr/local/sbin/smtp-auth-proxy.pl
+* migrate and rewrite code for smtp-auth-proxy properties
+* migrate and remove qmail properties to postfix
+* make a copy of qmail/config/smtproutes to (su)qpsmtpd/config/smtproutes
+
+TO CHECK
+    $prop->{Blacklist} = $smtp_proxy_rec->prop('Blacklist') || " ";
+    $prop->{Debug} = $smtp_proxy_rec->prop('Debug');
+
+VARIABLES
+
+domain
+* domain -> EmailTo to send all emails for a domain to an email
+* domain -> MailServer
+* domain -> VirtualMail as default disabled, will only accepte mails to a defined pseudonym for this domain  
+
+config 
+* DelegateMailServer
+* SMTPSmartHost
+* qmail/postfix->MaxMessageSize defined as 15Mb
+* qmail/postfix->FilterType (empty)
+* qmail/postfix->ConcurrencyRemote default to 20
+* qmail/postfix->ConcurrencyLocal default to 20
+* qmail/postfix->DoubleBounceTo default to postmaster
+* postfix->tls_security_level default to may
+* postfix->tls_enforce_peername default to yes 
+* $qpsmtpd{HeloHost} default to $myhostname
+* smtp-auth-proxy SMTPSmartHost
+* smtp-auth-proxy  Userid
+* smtp-auth-proxy  Passwd
+* smtp-auth-proxy  PeerPort
+* EmailUnknownUser (default to returntosender)
+
+REFERENCES
+* https://phoenixnap.com/kb/postfix-smtp
+* https://www.gentei.org/~yuuji/software/dotqmail/
+* https://www.gentei.org/~yuuji/software/dotqmail/dotqmail
+* https://sixohthree.com/424/smtp-2 
+* https://mailing.postfix.users.narkive.com/AhepT4TC/qmail-local-transport
+* https://skarnet.org/software/s6-portable-utils/
+* https://johnleach.co.uk/documents/qmail-to-postfix/
+* https://www.mail-archive.com/search?l=tmda-users@tmda.net&q=subject:%22Slightly+OT%5C%3A+Opinions+Wanted+%5C-+Implementing+dot%5C-qmail+in+postfix%5C%3F%22&o=newest&f=1
+* https://luke.skr.jp/hsj/?cmd=backup&action=nowdiff&page=OpenBlockS%2FMailServer&age=3
+* https://www.postfix.org/ADDRESS_CLASS_README.html#virtual_mailbox_class
+* https://www.postfix.org/VIRTUAL_README.html#virtual_mailbox
+* https://www.postfix.org/ADDRESS_CLASS_README.html#virtual_alias_class 
+* https://www.postfix.org/master.5.html
+* https://hostadvice.com/how-to/web-hosting/vps/how-to-setup-postfix-as-send-only-mail-server-on-an-ubuntu-18-04-dedicated-server-or-vps/
+* https://sscnet.ch/content/update-3-installing-qpsmtpd-bionic-beaver-ubuntu
+* https://www.postfix.org/postconf.5.html#luser_relay
+* https://serverfault.com/questions/960074/luser-relay-does-not-forward-the-emails
+* https://serverfault.com/questions/885483/postfix-catchall-user-not-found-in-virtual-alias-table

createlinks

@@ -13,35 +13,46 @@ foreach (qw(
    master.cf
    transport
    virtual
-  ))
+   sasl_passwd
+))
 {
-  templates2events("/var/qmail/control/$_", qw(
+  templates2events("/etc/postfix/$_", qw(
             console-save
             bootstrap-console-save
             domain-create
             domain-delete
             ip-change
             email-update
+            group-create
+            group-modify
+            group-delete
             host-create
             host-delete
             host-modify
             post-upgrade
             smeserver-postfix-update
+            user-create
+            user-modify
+            user-delete
+            user-modify-admin
       ));
 
 }
 
+#--------------------------------------------------
+# actions for ssl-update event:
+# write config files and create startup link
+#--------------------------------------------------
+$event = "ssl-update";
+templates2events("/etc/postfix/ssl/postfix.pem", $event);
+
 #--------------------------------------------------
 # actions for console-save event:
 # write config files and create startup link
 #--------------------------------------------------
 $event = "console-save";
-
+templates2events("/etc/postfix/ssl/postfix.pem", $event);
-# If qmail-send is running, it will receive the SIGHUP and ignore the
+safe_symlink("reload", "root/etc/e-smith/events/$event/services2adjust/postfix");
-# start command. If it is not running then the signal will be ignored
-# and qmail-send will read its new configuration files anyway.
-
-safe_symlink("sighup", "root/etc/e-smith/events/$event/services2adjust/postfix");
 
 #--------------------------------------------------
 # actions for bootstrap-console-save event:
@@ -49,11 +60,9 @@ safe_symlink("sighup", "root/etc/e-smith/events/$event/services2adjust/postfix")
 #--------------------------------------------------
 $event = "bootstrap-console-save";
 
-# TODO alternative ? event_link("pseudonym-cleanup", $event, "03");
-# TODO alternative ? event_link("qmail-update-group", $event, "20");
 # TODO alternative ? event_link("qmail-update-user", $event, "55");
-# TODO alternative ? templates2events("/var/qmail/users/assign", $event);
+event_link('conf-postfix', $event, '04');
-# TODO alternative ? safe_symlink("/var/qmail/bin/qmail-newu", "root/etc/e-smith/events/$event/S55email-assign");
+templates2events("/etc/postfix/ssl/postfix.pem", $event);
 
 #--------------------------------------------------
 # actions for domain-create event:
@@ -61,7 +70,17 @@ $event = "bootstrap-console-save";
 #--------------------------------------------------
 $event = "domain-create";
 
-safe_symlink("sighup", "root/etc/e-smith/events/$event/services2adjust/postfix");
+templates2events("/etc/postfix/ssl/postfix.pem", $event);
+safe_symlink("reload", "root/etc/e-smith/events/$event/services2adjust/postfix");
+
+#--------------------------------------------------
+# actions for domain-modify event:
+# rewrite config files and restart server
+#--------------------------------------------------
+$event = "domain-modify";
+
+templates2events("/etc/postfix/ssl/postfix.pem", $event);
+safe_symlink("reload", "root/etc/e-smith/events/$event/services2adjust/postfix");
 
 #--------------------------------------------------
 # actions for domain-delete event:
@@ -69,7 +88,8 @@ safe_symlink("sighup", "root/etc/e-smith/events/$event/services2adjust/postfix")
 #--------------------------------------------------
 $event = "domain-delete";
 
-safe_symlink("sighup", "root/etc/e-smith/events/$event/services2adjust/postfix");
+templates2events("/etc/postfix/ssl/postfix.pem", $event);
+safe_symlink("reload", "root/etc/e-smith/events/$event/services2adjust/postfix");
 
 #--------------------------------------------------
 # actions for email-update event:
@@ -80,10 +100,9 @@ safe_symlink("sighup", "root/etc/e-smith/events/$event/services2adjust/postfix")
 #--------------------------------------------------
 $event = "email-update";
 
+templates2events("/etc/postfix/ssl/postfix.pem", $event);
 # TODO alternative ? event_link("qmail-update-user", $event, "03");
-# TODO alternative ? event_link("pseudonym-cleanup", $event, "30");
+safe_symlink("reload", "root/etc/e-smith/events/$event/services2adjust/postfix");
-
-safe_symlink("sighup", "root/etc/e-smith/events/$event/services2adjust/postfix");
 safe_symlink("adjust", "root/etc/e-smith/events/$event/services2adjust/masq");
 safe_symlink("restart", "root/etc/e-smith/events/$event/services2adjust/smtp-auth-proxy");
 
@@ -92,33 +111,27 @@ safe_symlink("restart", "root/etc/e-smith/events/$event/services2adjust/smtp-aut
 #--------------------------------------------------
 $event = "group-create";
 
-# TODO alternative ? event_link("pseudonym-cleanup", $event, "03");
-# TODO alternative ? event_link("qmail-update-group", $event, "20");
-# TODO alternative ? templates2events("/var/qmail/users/assign", $event);
 # TODO alternative ? safe_symlink("/var/qmail/bin/qmail-newu", "root/etc/e-smith/events/$event/S55email-assign");
-safe_symlink("sighup", "root/etc/e-smith/events/$event/services2adjust/postfix");
+safe_symlink("reload", "root/etc/e-smith/events/$event/services2adjust/postfix");
+# TODO need to reload postfix and expand /etc/postfix/virtual
 
 #--------------------------------------------------
 # actions for group-delete event:
 #--------------------------------------------------
 $event = "group-delete";
 
-# TODO alternative ? event_link("pseudonym-cleanup", $event, "03");
-# TODO alternative ? event_link("qmail-delete-group", $event, "20");
-# TODO alternative ? templates2events("/var/qmail/users/assign", $event);
 # TODO alternative ? safe_symlink("/var/qmail/bin/qmail-newu", "root/etc/e-smith/events/$event/S55email-assign");
-safe_symlink("sighup", "root/etc/e-smith/events/$event/services2adjust/postfix");
+safe_symlink("reload", "root/etc/e-smith/events/$event/services2adjust/postfix");
+# TODO need to reload postfix and expand /etc/postfix/virtual
+
 
 #--------------------------------------------------
 # actions for group-modify event:
 #--------------------------------------------------
 $event = "group-modify";
 
-# TODO alternative ? event_link("pseudonym-cleanup", $event, "03");
-# TODO alternative ? event_link("qmail-update-group", $event, "20");
-# TODO alternative ? templates2events("/var/qmail/users/assign", $event);
 # TODO alternative ? safe_symlink("/var/qmail/bin/qmail-newu", "root/etc/e-smith/events/$event/S55email-assign");
-safe_symlink("sighup", "root/etc/e-smith/events/$event/services2adjust/postfix");
+safe_symlink("reload", "root/etc/e-smith/events/$event/services2adjust/postfix");
 
 #--------------------------------------------------
 # actions for user-create event:
@@ -126,7 +139,7 @@ safe_symlink("sighup", "root/etc/e-smith/events/$event/services2adjust/postfix")
 $event = "user-create";
 
 # TODO alternative ? event_link("qmail-update-user", $event, "20");
-# TODO alternative ? event_link("qmail-update-group", $event, "20");
+safe_symlink("reload", "root/etc/e-smith/events/$event/services2adjust/postfix");
 
 #--------------------------------------------------
 # actions for user-modify event
@@ -134,7 +147,7 @@ $event = "user-create";
 $event = "user-modify";
 
 # TODO alternative ? event_link("qmail-update-user", $event, "20");
-# TODO alternative ? event_link("qmail-update-group", $event, "20");
+safe_symlink("reload", "root/etc/e-smith/events/$event/services2adjust/postfix");
 
 #--------------------------------------------------
 # actions for user-modify-admin event
@@ -142,13 +155,14 @@ $event = "user-modify";
 $event = "user-modify-admin";
 
 # TODO alternative ? event_link("qmail-update-user", $event, "20");
+safe_symlink("reload", "root/etc/e-smith/events/$event/services2adjust/postfix");
 
 #--------------------------------------------------
 # actions for user-delete event
 #--------------------------------------------------
 $event = "user-delete";
 
-# TODO alternative ? event_link("qmail-update-group", $event, "25");
+safe_symlink("reload", "root/etc/e-smith/events/$event/services2adjust/postfix");
 
 #--------------------------------------------------
 # actions for ip-up event:
@@ -162,7 +176,8 @@ $event = "ip-up";
 #--------------------------------------------------
 $event = "ip-change";
 
-safe_symlink("sighup", "root/etc/e-smith/events/$event/services2adjust/postfix");
+templates2events("/etc/postfix/ssl/postfix.pem", $event);
+safe_symlink("reload", "root/etc/e-smith/events/$event/services2adjust/postfix");
 
 
 
@@ -181,13 +196,17 @@ foreach my $file (qw(
 {
     templates2events( $file, $event );
 };
+
+templates2events("/etc/postfix/ssl/postfix.pem", $event);
+
 #action needed in case we have a systemd unit
+event_link('conf-postfix', $event, '04');
 event_link('systemd-default', $event, '10');
 event_link('systemd-reload', $event, '50');
 safe_symlink("restart", "root/etc/e-smith/events/$event/services2adjust/postfix");
-
+safe_symlink("restart", "root/etc/e-smith/events/$event/services2adjust/qpsmtpd");
-#services we might need to restart
+safe_symlink("restart", "root/etc/e-smith/events/$event/services2adjust/sqpsmtpd");
-#event_services($event, 'xxxx' => 'restart', 'yyyy' => 'restart');
+safe_symlink("restart", "root/etc/e-smith/events/$event/services2adjust/uqpsmtpd");
 
 #Backup files
 # backup_includes("smeserver-postfix", qw(

root/etc/e-smith/db/configuration/defaults/postfix/MaxMessageSize

@@ -0,0 +1 @@
+15000000 

root/etc/e-smith/templates.metadata/etc/postfix/sasl_passwd

@@ -0,0 +1,3 @@
+UID="root"
+GID="root"
+PERMS=0600

root/etc/e-smith/templates.metadata/etc/postfix/ssl/postfix.pem

@@ -0,0 +1,5 @@
+TEMPLATE_PATH="/home/e-smith/ssl.pem"
+OUTPUT_FILENAME="/etc/postfix/ssl/postfix.pem"
+UID="root"
+GID="root"
+PERMS=0640

root/etc/e-smith/templates/etc/postfix/main.cf/40inet

@@ -1,2 +1,2 @@
-inet_interfaces = loopback-only
+inet_interfaces = all
 inet_protocols = all

root/etc/e-smith/templates/etc/postfix/main.cf/45recipients

@@ -0,0 +1,5 @@
+{
+# qmail compatibility - instead of +
+# default empty
+}
+recipient_delimiter = -

root/etc/e-smith/templates/etc/postfix/main.cf/50mydestination

@@ -1,2 +1,16 @@
-# TODO add all domains and hosts related here
+# SME Primary domain and host: looks up all recipients in /etc/passwd and /etc/aliases
-mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
+mydestination = $myhostname $mydomain $myhostname.$mydomain localhost.$mydomain localhost {
+   $OUT = " ";
+    my $i = 0;
+    use esmith::DomainsDB;
+    my $ddb = esmith::DomainsDB->open_ro;
+    my @domains = map { $_->key } $ddb->get_all_by_prop('type' => 'domain');
+    foreach my $domain ( @domains )
+    {
+        my $d = $ddb->get($domain);
+        next if (($d->prop('VirtualMail') || "disabled") eq "enabled");
+        next unless (($d->prop('MailServer') || '') eq '');
+        next if $domain eq $DomainName;
+        $OUT .= "$domain ";
+    }
+}

root/etc/e-smith/templates/etc/postfix/main.cf/50virtual

@@ -1,30 +0,0 @@
-{
-    $OUT = '';
-    my $virtual = 'virtual_alias_domains = ';
-
-    use esmith::DomainsDB;
-    my $domainsdb = esmith::DomainsDB->open_ro();
-    
-    my $tempstr = '';
-    for my $domain ($domainsdb->domains)
-    {  
-        my $primary = $domain->prop('SystemPrimaryDomain');
-        next if ( $primary eq 'yes' );
-        my $mail_server = $domain->prop('MailServer')
-                          || $DelegateMailServer
-                          || 'localhost';
-
-        next if ( $mail_server ne 'localhost' );
-
-	$emaildomain = $domain->key;
-	$tempstr .= "$emaildomain ";
-    }
-    
-    if ( $tempstr ne '' ) 
-    {
-       $OUT .= "$virtual";
-       $OUT .= "$tempstr\n";
-       $OUT .= "virtual_alias_maps = hash:/etc/postfix/virtual";
-    }
-}
-

root/etc/e-smith/templates/etc/postfix/main.cf/50virtual_domains

@@ -0,0 +1,21 @@
+{
+    # SME Server Virtual domains
+    # to configure emails for those domains use pseudonyms to point to a unix account.
+    # sales@virtualdomain.com -> admin 
+    $OUT = "virtual_alias_domains = ";
+    my $i = 0;
+
+    use esmith::DomainsDB;
+    my $ddb = esmith::DomainsDB->open_ro;
+    my @domains = map { $_->key } $ddb->get_all_by_prop('type' => 'domain');
+
+    foreach my $domain ( @domains )
+    {
+        my $d = $ddb->get($domain);
+        next unless (($d->prop('VirtualMail') || "disabled") eq "enabled");
+        next unless (($d->prop('MailServer') || '') eq '');
+        $OUT .= "$domain " unless $domain eq $DomainName;
+				$i ++ unless $domain eq $DomainName;;
+    }
+		$OUT = "# no SME Server Virtual domains configured" unless $i>0;
+}

root/etc/e-smith/templates/etc/postfix/main.cf/51virtual

@@ -0,0 +1,2 @@
+# list of all virtual aliases : groups, pseudonyms ...
+virtual_alias_maps = hash:/etc/postfix/virtual

root/etc/e-smith/templates/etc/postfix/main.cf/60msgsize

@@ -0,0 +1,7 @@
+{
+  #message_size_limit = 10240000 (default)
+  # our previous default with qmail was 15000000
+  my $MaxMessageSize = $postfix{'MaxMessageSize'} || "15000000"; 
+  $OUT = "message_size_limit = $MaxMessageSize\n";
+}
+

root/etc/e-smith/templates/etc/postfix/main.cf/60transport

@@ -1,12 +1,9 @@
 {
     $OUT = '';
     my $transport = 'transport_maps = hash:/etc/postfix/transport ';
-
+    my $display = 0;
     use esmith::DomainsDB;
     my $domainsdb = esmith::DomainsDB->open_ro();
-    
-
-
     for my $domain ($domainsdb->domains)
     {  
         my $mail_server = $domain->prop('MailServer')
@@ -15,10 +12,16 @@
 
         if ( $mail_server ne 'localhost' )
         {
-           $OUT = "$transport\n";
+           $display = 1;
         }
-
     }
-    
+    $display = 1     if (
+        $SMTPSmartHost
+        &&
+        ($SMTPSmartHost ne 'off')
+        &&
+        ($SMTPSmartHost !~ /^\s*$/)
+    );
+    $OUT = "$transport\n" if $display eq 1;
 }
 

root/etc/e-smith/templates/etc/postfix/main.cf/61concurency

@@ -0,0 +1,3 @@
+default_destination_concurrency_limit = { $postfix{'ConcurrencyRemote'} || "20"; }
+local_destination_concurrency_limit = { $postfix{'ConcurrencyLocal'} || "20"; }
+

root/etc/e-smith/templates/etc/postfix/main.cf/65doublebounce

@@ -0,0 +1 @@
+2bounce_notice_recipient = { $postfix{'DoubleBounceTo'} || "postmaster"; }

root/etc/e-smith/templates/etc/postfix/main.cf/65heloname

@@ -0,0 +1 @@
+smtp_helo_name = { $qpsmtpd{HeloHost} || '$myhostname'}

root/etc/e-smith/templates/etc/postfix/main.cf/70certificates

@@ -0,0 +1,27 @@
+smtp_tls_cert_file = /etc/postfix/ssl/postfix.pem
+smtpd_tls_cert_file = /etc/postfix/ssl/postfix.pem
+smtp_tls_note_starttls_offer = yes
+{
+# see http://www.postfix.org/postconf.5.html#smtp_tls_security_level
+# *smtp_use_tls = yes (default no) this is oportunistic deprecated option
+# equivalent of smtp_tls_security_level = may
+# *smtp_enforce_tls = yes  (default no) also deprecated 
+# would require it and require remote SMTP server hostname matches 
+# the information in the remote server certificate, and that the remote SMTP server certificate 
+# was issued by a CA that is trusted by the Postfix SMTP client
+}smtp_tls_security_level = {
+  my $smarthost = $SMTPSmartHost || "off";
+  my $userid = ${smtp-auth-proxy}{'Userid'} || "";
+  my $tls_security_level = $postfix{'tls_security_level'} || "may";
+  $tls_security_level = "encrypt" if ($smarthost ne "off" && $userid ne "");
+  $OUT = $tls_security_level;
+}
+smtp_tls_enforce_peername = { (($postfix{'tls_enforce_peername'}||'yes') eq "yes")? 'yes' : 'no'; }
+{
+# keeping default for this one
+# smtp_tls_ciphers = medium
+}{
+# keeping default for this one
+# smtp_tls_protocols = !SSLv2, !SSLv3 
+# smtp_tls_protocols = >=TLSv1
+}smtp_tls_loglevel = 1 

root/etc/e-smith/templates/etc/postfix/main.cf/75smarthost

@@ -0,0 +1,15 @@
+## SME relay outgoing mails to smarthost
+{
+  my $smarthost = $SMTPSmartHost || "off";
+  my $userid = ${smtp-auth-proxy}{'Userid'} || "";
+  my $password = ${smtp-auth-proxy}{'Passwd'} || "";
+  my $port = ${smtp-auth-proxy}{'PeerPort'} || "25";
+  return "#Smarthost disabled" unless $smarthost ne "off";
+  $OUT = "relayhost = [$smarthost]:$port\n";
+  if ($userid ne "") 
+  {
+    $OUT .= "smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd\n";
+    $OUT .= "smtp_sasl_security_options = noanonymous\n";
+    $OUT .= "smtp_sasl_auth_enable = yes\n";
+  }
+}

root/etc/e-smith/templates/etc/postfix/master.cf/20smtp

@@ -1,4 +1,5 @@
-2525      inet  n       -       n       -       -        smtpd
+#2525      inet  n       -       n       -       -        smtpd
+# :25 is in use by qpsmtpd
 #smtp      inet  n       -       n       -       -       smtpd
 #smtp      inet  n       -       n       -       1       postscreen
 #smtpd     pass  -       -       n       -       -       smtpd

root/etc/e-smith/templates/etc/postfix/sasl_passwd/20smarthost

@@ -0,0 +1,15 @@
+## SME relay outgoing mails to smarthost
+{
+  my $smarthost = $SMTPSmartHost || "off";
+  my $userid = ${smtp-auth-proxy}{'Userid'} || "";
+  my $password = ${smtp-auth-proxy}{'Passwd'} || "";
+  my $port = ${smtp-auth-proxy}{'PeerPort'} || "25";
+  return "#Smarthost disabled" unless $smarthost ne "off";
+  $OUT = "";
+  if ($userid ne "")
+  {
+    $OUT .= "[$smarthost]:$port $userid:$password\n";
+  }
+
+}
+

root/etc/e-smith/templates/etc/postfix/transport/10hosts

@@ -10,15 +10,22 @@
     {  
         
         my $mail_server = $domain->prop('MailServer')
+                          || $DelegateMailServer
                           || 'localhost';
 
         if ( $mail_server ne 'localhost' )
         {
+					 my ($dest,$port) = split(':',$mail_server);
+					 $port = ( $port  =~ /^\d+$/)? $port : "25";
            $emaildomain = $domain->key;
-           $OUT .= "\@$emaildomain\t$mail_server\n";
+           $OUT .= "$emaildomain\t smtp:[$dest]:$port\n";
         }
+				else
+				{
+					$emaildomain = $domain->key;
+					$OUT .= "$emaildomain\t local:\$myhostname\n";
+				}
 
     }
     
 }
-

root/etc/e-smith/templates/etc/postfix/transport/20smarthost

@@ -0,0 +1,5 @@
+{
+  my $smarthost = $SMTPSmartHost || "off";
+  $OUT = "";
+  $OUT = "# SME relay smarthost is defined in main.cf relayhost variable" if $SMTPSmartHost ne "off"; 
+}

root/etc/e-smith/templates/etc/postfix/transport/30delegateMailServer

@@ -0,0 +1,8 @@
+{
+
+  return "# no DelegateMailServer, we are using our own smtp" unless (defined $DelegateMailServer and $DelegateMailServer);
+  my ($dest,$port) = split(':',$DelegateMailServer);
+  my $port = ( $port  =~ /^\d+$/)? $port : "25";
+  $OUT =  "* smtp:[$dest]:$port";
+
+}

root/etc/e-smith/templates/etc/postfix/virtual/05system

@@ -0,0 +1,25 @@
+{
+# mailer-daemon -> postmaster -> root (via /etc/aliases) and also defined as pseudonyms
+# abuse -> root (via /etc/aliases) and also defined as pseudonyms
+# postmaster ->  root  via etc/aliases, and admin via pseudonyms
+# TODO handle qmail user alias
+}
+# SME system users
+root			admin
+{
+    $OUT = "";
+
+    use esmith::AccountsDB;
+
+    my $adb = esmith::AccountsDB->open_ro or die "Couldn't open AccountsDB";
+
+    for my $acct ($adb->get_all_by_prop(type=>"system"))
+    {
+      next if ($acct->key eq "admin");
+      next if ($acct->key eq "alias");
+      next if ($acct->key eq "shared");
+      next if ($acct->key eq "root");
+      $OUT .= $acct->key . "\t\t\tadmin\n";
+    }
+
+}

root/etc/e-smith/templates/etc/postfix/virtual/06user

@@ -0,0 +1,3 @@
+# SME users
+# not needed postfix will map all system users directly
+

root/etc/e-smith/templates/etc/postfix/virtual/10pseudonyms

@@ -1,3 +1,4 @@
+# SME pseudonyms
 {
     my $dms = $DelegateMailServer;
 
@@ -11,16 +12,16 @@
 
     for my $pseudo ($adb->pseudonyms)
     {
-	#next unless ($pseudo->key =~ /@/);
+			#next unless ($pseudo->key =~ /@/);
 
-	my $account = $pseudo->prop("Account");
+			my $account = $pseudo->prop("Account");
-	$account = "admin"  and warn $pseudo->prop("Account") . " is not a valid account, default to admin "  unless $adb->get($account);	
+			$account = "admin"  and warn $pseudo->prop("Account") . " is not a valid account, default to admin "  unless $adb->get($account);	
-	my $acct = $adb->get($account);
+			my $acct = $adb->get($account);
-	if ($acct->prop('type') eq "group")
+			if ($acct->prop('type') eq "group")
-	{
+			{
-	    $account =~ s/\./:/g;
+					$account =~ s/\./:/g;
-	}
+			}
 
-	$OUT .= $pseudo->key . "\t$account\n";
+			$OUT .= $pseudo->key . "\t\t\t$account\n";
     }
 }

root/etc/e-smith/templates/etc/postfix/virtual/15groups

@@ -0,0 +1,30 @@
+# SME groups
+{
+   # inspired from former /etc/e-smith/events/actions/qmail-update-group
+   my $adb = esmith::AccountsDB->open_ro or die "Couldn't open AccountsDB";
+
+   for my $group ($adb->groups)
+   {
+			#next unless ($pseudo->key =~ /@/);
+      my %properties = $group->props;
+      my $acct = $group->key;
+      my @group_members  = split(/,/, $properties{Members});
+			# Check if we should exclude members from this group email address
+			my @exclude_users  = split(/,/, ($properties{EmailExcludeUsers}  || ''));
+			my @exclude_groups = split(/,/, ($properties{EmailExcludeGroups} || ''));
+			foreach my $exclude_group (@exclude_groups){
+					my $g = $a->get($exclude_group);
+					next unless $g;
+					push @exclude_users, split(/,/, ($g->prop('Members')  || ''));
+			}
+			my %exclude = map { $_, 1 } @exclude_users;
+			@exclude_users = keys %exclude;
+			my @members = ();
+			foreach my $user (@group_members){
+					next if grep { $_ eq $user } @exclude_users;
+					push @members, $user;
+			}
+			my $members = join(' ', @members);
+      $OUT .= "$acct\t\t\t$members\n";
+   }
+}

root/etc/e-smith/templates/etc/postfix/virtual/16shared

@@ -0,0 +1,14 @@
+# Shared group
+{
+    use esmith::AccountsDB;
+    my $a = esmith::AccountsDB->open_ro;
+
+    $OUT = "shared\t\t\t";
+
+    for my $user ( $a->get('admin'), $a->users )
+    {
+        next if ( ($user->prop('EveryoneEmail') || 'yes') eq 'no');
+
+        $OUT .= $user->key .  " ";
+    }
+}

root/sbin/e-smith/systemd/postfix-pre

@@ -0,0 +1,11 @@
+#!/bin/bash
+/usr/sbin/e-smith/expand-template /etc/postfix/virtual
+/usr/sbin/e-smith/expand-template /etc/postfix/sasl_passwd
+/usr/sbin/e-smith/expand-template /etc/postfix/transport
+# sensitive file, we want to be sure.
+touch /etc/postfix/sasl_passwd.db
+chmod 0600 /etc/postfix/sasl_passwd.db
+chown root:root /etc/postfix/sasl_passwd.db
+/usr/sbin/postmap /etc/postfix/virtual
+/usr/sbin/postmap /etc/postfix/sasl_passwd
+/usr/sbin/postmap /etc/postfix/transport

root/sbin/e-smith/systemd/postfix-reload

@@ -0,0 +1,12 @@
+#!/bin/bash
+/usr/sbin/e-smith/expand-template /etc/postfix/virtual
+/usr/sbin/e-smith/expand-template /etc/postfix/sasl_passwd
+/usr/sbin/e-smith/expand-template /etc/postfix/transport
+# sensitive file, we want to be sure.
+touch /etc/postfix/sasl_passwd.db
+chmod 0600 /etc/postfix/sasl_passwd.db
+chown root:root /etc/postfix/sasl_passwd.db
+/usr/sbin/postmap /etc/postfix/virtual
+/usr/sbin/postmap /etc/postfix/sasl_passwd
+/usr/sbin/postmap /etc/postfix/transport
+/usr/sbin/postfix reload

root/usr/bin/dotqmail

@@ -0,0 +1,125 @@
+#!/usr//bin/zsh -f
+# credit https://www.gentei.org/~yuuji/software/dotqmail/
+# original work of HIROSE Yuuji yuuji@example.org
+# license none
+setopt multios
+dotqm=${DOTQMAIL:-.qmail}
+DQHOME=${DQHOME:-$HOME}
+cd $DQHOME
+DEFAULTSPOOL=./Maildir/
+PATH=${PATH}:/usr/sbin:/usr/lib; export PATH
+if [ -s $DQHOME/.dotqmailexts ]; then
+  while IFS=: read ext home; do
+    home=${home/\~\//$HOME/}
+    home=${(e)home}
+    case $EXTENSION in
+      $ext|${ext}-*)
+	if [ -d $home ]; then
+	  DQHOME=`(cd $home; pwd)`; break
+	fi ;;
+    esac
+  done < $DQHOME/.dotqmailexts
+fi
+DQBASE=$DQHOME/${dotqm}-
+cd $DQHOME
+
+export EXT=${EXTENSION//+/-}
+export EXT2=${${(M)EXT%%-*}/-/}
+export EXT3=${${(M)EXT2%%-*}/-/}
+export EXT4=${${(M)EXT3%%-*}/-/}
+# $HOST manipulation is not symmetrical with $EXT
+# If $HOSTn has no dots, $HOST(n+1) has same name as $HOSTn
+export HOST=$DOMAIN
+export HOST2=${HOST%.*}
+export HOST3=${HOST2%.*}
+export HOST4=${HOST3%.*}
+
+fdq=''
+x=${(L)EXT//./:}
+dq=${DQBASE}$x
+function maildirmake() {
+  mkdir -m 700 $1 && mkdir -m 700 $1/{new,cur,tmp}
+}
+[[ -n "$DEBUG" ]] && echo PPP:dq=$dq >> $HOME/ddebug
+
+if [[ $USER == $LOCAL ]]; then
+  fdq=$DQHOME/${1:-${dotqm}}
+  [[ -s $fdq ]] || echo "$DEFAULTSPOOL" > $fdq
+elif [[ -s $dq ]]; then
+  fdq=$dq
+else
+  while [[ x"$x" != x"" ]]; do
+    x=${${(M)x##*-}%-}
+    dq=${DQBASE}$x${x:+-}default
+    if [[ -s $dq ]]; then
+      fdq=$dq; break
+    fi
+  done
+  dq=${DQBASE}$x${x:+-}default
+  if [[ -s $dq ]]; then
+    fdq=$dq
+  fi
+fi
+function maildir() {
+  [[ -d $1 ]] || maildirmake $1
+  dir=$1/new
+  host=`hostname`
+  zmodload zsh/datetime || exit 111
+  (echo -n "$RPLINE"; cat) > $dir/$EPOCHSECONDS.$$.$host
+}
+function mbox() {
+  # no locking! do not use poor mbox!
+  (echo -n $UFLINE
+   echo -n $RPLINE
+   cat
+   echo) >> $1
+}
+
+flush() {
+  [[ -n "$DEBUG" ]] && echo out=$out >> $HOME/ddebug
+  ###echo found: $fdq, default: $DEFAULT, out=$out
+  [[ -n "$DEBUG" ]] && env > $DQHOME/ENV
+  #eval "cat ${out:->/dev/null}"
+  eval "echo '$body' | sed 1,2d ${out:->/dev/null}"
+  out=""
+}
+[[ -n "$DEBUG" ]] && echo fdq=$fdq >> $HOME/ddebug
+
+if [[ -n "$fdq" && -s $fdq ]]; then
+  default=${EXT/$x/}
+  [[ x"$default" != x"" ]] && export DEFAULT=${default#-}
+  IFS= body=`cat`
+  export UFLINE="${${(@f)body}[1]}"$'\n'
+  export RPLINE="${${(@f)body}[2]}"$'\n'
+  if [[ -e ${fdq}-owner ]]; then
+    # If .qmail-ext-owner exists, use local-owner@domain. (dot-qmail(5))
+    newsender="-f ${LOCAL}-owner@$DOMAIN "
+    echo newsender=$newsender >> $HOME/ddebug
+  fi
+  cat $fdq | while read -r line; do
+    case "$line" in
+      \#*) ;;
+      \|*)
+	# A program line should executed sequentially and should be
+	# ceased further instructions when program exits at 99.
+	[ "$out" ] && flush
+	echo "$body" | eval "${line#\|}"
+	[ $? = 99 ] && exit 0
+	;;
+      # Other instructions should be processed simultaneously.
+      .*/|/*/)
+        out="$out > >(maildir $line)" ;;
+      .*|/*)
+        out="$out > >(mbox $line)" ;;
+      *)
+        out="$out > >(sendmail ${newsender}-- ${line#\&})" ;;
+    esac
+    ec=$?
+    [[ -n "$DEBUG" ]] && echo "$ec by [$line]" >> $HOME/ddebug
+  done
+  flush
+  exit 0
+else
+  # not found
+  exit 111
+fi

root/usr/bin/postqmail-local

@@ -0,0 +1,14 @@
+#!/bin/sh
+#credit  Ron Bickers <rbickers@logicetc.com>
+# $1 = $LOCAL
+# $2 = $EXTENSION
+# $3 = $DOMAIN
+# $4 = $SENDER
+export PATH=$PATH:/usr/local/bin:/var/qmail/bin
+tail +2 | seekablepipe qmail-local -- \
+  "$USER" "$HOME" "$LOCAL" "${EXTENSION:+-}" "$EXTENSION"
+  "$DOMAIN""$SENDER" ./Maildir/
+e=$?
+(($e == 111)) && exit 75
+(($e == 100)) && exit 77
+exit $e

root/usr/lib/systemd/system/postfix.service.d/50koozali.conf

@@ -0,0 +1,6 @@
+[Service]
+ExecStartPre=-/usr/sbin/postmap /etc/postfix/virtual
+ExecStartPre=/sbin/e-smith/service-status postfix
+
+[Install]
+WantedBy=sme-server.target

smeserver-postfix.spec

@@ -13,12 +13,25 @@ Prefix: %{_prefix}
 BuildArchitectures: noarch
 BuildRequires: e-smith-devtools
 Requires: e-smith-release >= 10.0
+Requires: zsh
 AutoReqProv: no
 
 %description
 Koozali SME Server wrapper to configure postfix
 
 %changelog
+* Sun Nov 17 2024 <jpp@koozali.org> 1.0-2.sme
+- listen only via sockets
+- use both unix user and virtual users
+- groups and pseudonyms implemented in virtual maps
+- support smarthost with and without auth
+- support global and per domain delegated mail server
+- support ssl
+- uses qmail - recipient delimiter in left part of email.
+- all domains set as local domains in mydestination
+- message_size_limit 
+- local and remote concurency limit
+
 * Tue Oct 15 2024 <jpp@koozali.org> 1.0-1.sme
 - Initial code - create RPM [SME: 12737]
   templates from Stefano Zamboni
@@ -35,6 +48,8 @@ rm -rf $RPM_BUILD_ROOT
 (cd root   ; find . -depth -print | cpio -dump $RPM_BUILD_ROOT)
 rm -f %{name}-%{version}-filelist
 /sbin/e-smith/genfilelist $RPM_BUILD_ROOT \
+  --file /sbin/e-smith/systemd/postfix-reload 'attr(750,root,root)' \
+  --file /sbin/e-smith/systemd/postfix-pre 'attr(750,root,root)' \
 > %{name}-%{version}-filelist
 #echo "%doc COPYING"  >> %{name}-%{version}-filelist
 #--dir <dir> 'attr(755,user,grp)' \